12 A furniture store sells tables and chairs, Tivo possible arrangements and their costs
are shown alongside.
Find the cost of
a each table beach chair
€200
€460

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Select the number of ways in which a line and a circle can intersect